cve/2020/CVE-2020-3843.md

### [CVE-2020-3843](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3843)
![](https://img.shields.io/static/v1?label=Product&message=iOS-1&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=watchOS-1&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20iOS%2012.4.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20watchOS%205.3.7%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=A%20remote%20attacker%20may%20be%20able%20to%20cause%20unexpected%20system%20termination%20or%20corrupt%20kernel%20memory&color=brighgreen)

### Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

### POC

#### Reference
- http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html
- http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html

#### Github
No PoCs found on GitHub currently.